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13424216 = 2313294451
BaseRepresentation
bin110011001101…
…011001011000
3221021000120012
4303031121120
511414033331
61155421052
7222050441
oct63153130
927230505
1013424216
1176398a3
1245b4788
132a20330
141ad62c8
1512a282b
hexccd658

13424216 has 32 divisors (see below), whose sum is σ = 28047600. Its totient is φ = 5980800.

The previous prime is 13424161. The next prime is 13424221. The reversal of 13424216 is 61242431.

Adding to 13424216 its reverse (61242431), we get a palindrome (74666647).

13424216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13424191 and 13424200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791 + ... + 5241.

Almost surely, 213424216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13424216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14023800).

13424216 is an abundant number, since it is smaller than the sum of its proper divisors (14623384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13424216 is a wasteful number, since it uses less digits than its factorization.

13424216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4499 (or 4495 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 13424216 is about 3663.9072040651. The cubic root of 13424216 is about 237.6637673812.

The spelling of 13424216 in words is "thirteen million, four hundred twenty-four thousand, two hundred sixteen".

Divisors: 1 2 4 8 13 26 29 52 58 104 116 232 377 754 1508 3016 4451 8902 17804 35608 57863 115726 129079 231452 258158 462904 516316 1032632 1678027 3356054 6712108 13424216